AOD in a 78?
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Senior User
Joined: Apr 2012
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From: By God West Virginia
AOD in a 78?
What in all would be required to put a AOD trans in a 78' Bronc?
I think the trans is an E4OD, but am not 100% sure, it came out of a 94 Bronc, has a T-case with it for same money, I'm going to look at it tommorow hopefully (today?)
I think the trans is an E4OD, but am not 100% sure, it came out of a 94 Bronc, has a T-case with it for same money, I'm going to look at it tommorow hopefully (today?)
Lead Driver
Joined: Sep 2002
Posts: 9,182
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From: Gateway to the West
Well, are you talking about dropping an E4OD or an AOD? They are different animals. And neither will bolt to either OEM mill in a 78 unless you can find an E4OD from behind a 460. I don't honestly recall if the AOD was ever put behind the 460 but I'm almost certain it never saw production behind the 351M or the 400.
The E4OD is fully electronic and will not function stand-alone unless you buy a separate shift controller and even then you may need to rig a VSS into the truck so the shift controller knows when to shift the transmission.
The AOD on the other hand, will require only its TV (Throttle Valve) cable setup for shift control. However depending upon which engine you have swapped into the '78, getting the throttle valve cable setup for the carburetor in it could be a challenge. And then you have the adjustments to make. Again, an AOD won't bolt to either a 351M or a 400.
I can certainly understand wanting another gear (overdrive) in your rig. I'm just not sure gaining it with an automatic is going to be the easiest thing to do. The AOD is still probably less headache than the E4OD unless you can get the E4OD for a song.
The E4OD is fully electronic and will not function stand-alone unless you buy a separate shift controller and even then you may need to rig a VSS into the truck so the shift controller knows when to shift the transmission.
The AOD on the other hand, will require only its TV (Throttle Valve) cable setup for shift control. However depending upon which engine you have swapped into the '78, getting the throttle valve cable setup for the carburetor in it could be a challenge. And then you have the adjustments to make. Again, an AOD won't bolt to either a 351M or a 400.
I can certainly understand wanting another gear (overdrive) in your rig. I'm just not sure gaining it with an automatic is going to be the easiest thing to do. The AOD is still probably less headache than the E4OD unless you can get the E4OD for a song.
FTE Legend
Joined: Jun 2006
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From: Ottawa, Ontario
Nope.. Lokar makes one specifically for carbs.
BTW.. the AOD is an actual Ford transmission so it's confusing when it's used as a general term to describe an automatic with overdrive.
And an AOD would be the way to go in an older truck as long as you have a motor with the small block windsor bolt pattern(300/302/351w), with all the updates and a shift kit it will stand up quite well to typical use and allow you to gear the truck appropriately for truck uses.
BTW.. the AOD is an actual Ford transmission so it's confusing when it's used as a general term to describe an automatic with overdrive.
And an AOD would be the way to go in an older truck as long as you have a motor with the small block windsor bolt pattern(300/302/351w), with all the updates and a shift kit it will stand up quite well to typical use and allow you to gear the truck appropriately for truck uses.
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